PHEH sensors can be used in harsh environments such as pure mountain water with conductivity below 20 μS/cm, lakes and rivers (100 – 2000 μS/cm), seawater (50 mS/cm) and wastewater with conductivity above 200 mS/cm. Next operation. The sensor has a long service life. Plastogel® PONSEL technology increases the service life of the probe. It has been designed for handheld devices and field applications, with fast response time, minimum flow dependence and low power consumption. The sensor stores calibration data and historical data, allowing plug and play, without recalibration. Based on the universal Modbus RS485 protocol, the sensor can be connected to all commonly used devices (data collectors, controllers, vending machines, remote systems...).

pH/Redox/Temp sensor integrated technology
Modbus RS-485/SDI-12 digital technology
Built-in calibration data

technical parameter:
Measuring principle: composite electrode (pH/REF): special glass, silver/silver chloride reference gel electrolyte (potassium chloride)
Measuring range: pH: 0 to 14
Resolution: 0,01 pH
Accuracy: +/- 0,1 pH
Redox redox:
Measuring principle: composite electrode (redox/reference): platinum tip, Ag/AgCl AgAgCl. Gel Reference (KCI)
Measuring range:-1000 to + 1000 mV
Resolution: 0,1 mV
Accuracy:  2 mV
Principle: CTN
Measuring range: 0,00 °C à + 50,00°C
Resolution: 0.01 °C
Accuracy:  0.5 °C
Response time: <5 s
Storage temperature: 0°C to + 60°C
Protection: IP 68
Signal interface Modbus RS-485 / SDI-12 (optional)
Power supply 5 to 12 volts
Power consumption: spare 25 μA
RS485 (1 time/second, average): 3.9 mA
SDI12 (1 time/second, average): 6.8 mA
Current pulse: 500 mA
Specifications: Diameter: 27/21mm Length: 207mm
Weight: 350g (sensor + 3m cable)
Material: PVC, special pH glass, platinum
Maximum pressure: 5bars
Waterproof: IP68
Cable: coaxial armor, polyurethane shell, waterproof connector
Origin: France

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